The Relay,electromagnetic, cataloged under National Stock Number 5945-00-500-8972, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. Government technical data includes 13 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5945-00-500-8972 |
| Item Name | Relay,electromagnetic |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 1 PLUG-IN TERMINAL(S) SINGLE MOUNTING FACILITY |
| Pile-Up Main Contact Form Arrangement | 1C |
| Main Contact Maximum Voltage Rating in Volts | 110.0 AC |
| Overall Diameter | 0.750 INCHES MAXIMUM IN |
| Main Contact Load Current Rating at Maximum Rated Voltage | 2.0 AMPERES AC RESISTIVE LOAD |
| Duty Type | CONTINUOUS |
| Winding DC Resistance Rating | 400.0 OHMS NOMINAL SINGLE WINDING |
| Nominal Operating Current Rating and Type | 10.0 MILLIAMPERES DC SINGLE WINDING |
| Coil Quantity | 1 |
| Environmental Protection | HERMETIC |
| Winding Quantity | 1 |
| Operating Voltage Rating and Type at Specified Temp | 4.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING |
| Terminal Type and Quantity | 5 PIN ALL FUNCTIONS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| GU3105ISSUEB | 5/9 Secondary reference Siemens Water Technologies Corp. Div Wallace & Tiernan Products |
| PW5219 | 3/9 Design control — primary reference Te Connectivity Corporation |
| PW5LS | 5/1 Secondary reference Te Connectivity Corporation |
| PW4416 | 5/9 Secondary reference Te Connectivity Corporation |
NSN 5945-00-500-8972 is a Relay,electromagnetic, classified under FSC 5945, Relays and Solenoids. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 5945-00-581-1071, 5945-00-665-9461. Verify interchangeability with system specifications before substitution.
Key specifications for 5945-00-500-8972: Mounting Facility Type and Quantity: 1 PLUG-IN TERMINAL(S) SINGLE MOUNTING FACILITY; Pile-Up Main Contact Form Arrangement: 1C; Main Contact Maximum Voltage Rating in Volts: 110.0 AC; Overall Diameter: 0.750 INCHES MAXIMUM IN. 13 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.